<!DOCTYPE html>
<html lang=''>
<head>

	<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Cache-Control" content="no-cache">
<meta http-equiv="Expires" content="0">
<title>登录</title>
<link href="css/login.css" type="text/css" rel="stylesheet">
</head>
<body style="position: relative">
<div class="login-header">
	<img src="img/homepage-logo-white.png" alt="">
	<span>巡察问题督办平台</span>
</div>

	<div class="login-container">
		<div class="col"></div>
		<div class="col">
			<div class="login">
				<form id="login-form" method="post" onsubmit="return false;">
					<input id="username" name="username" placeholder="用户名" type="text"
						   autocomplete="off">
					<hr class="hr15">
					<input id="password" name="password" placeholder="密码" type="password"
						   autocomplete="off">
					<hr class="hr15">
					<button style="width: 100%;" type="submit"
							onclick="login(this)">登录</button>
					<hr class="hr20">
					<span id="info" style="color: red"></span>
				</form>
			</div>
		</div>
	</div>

</body>
</html>
<script src="js/libs/jquery-1.11.1.min.js"></script>
<script type="text/javascript">
	if (top != self) {
		parent.location.href = '/login.html';
	}
	
	var token = localStorage.getItem("token");
	if (token != null && token.trim().length != 0) {
		$.ajax({
			type : 'get',
			url : '/users/current?token=' + token,
			success : function(data) {
				location.href = '/index.html';
			},
			error : function(xhr, textStatus, errorThrown) {
				var msg = xhr.responseText;
				var response = JSON.parse(msg);
				var code = response.code;
				var message = response.message;
				if (code == 401) {
					localStorage.removeItem("token");
				}
			}
		});
	}

	function login(obj) {
		$(obj).attr("disabled", true);

		var username = $.trim($('#username').val());
		var password = $.trim($('#password').val());
		if (username == "" || password == "") {
			$("#info").html('用户名或者密码不能为空');
			$(obj).attr("disabled", false);
		} else {
			$.ajax({
				type : 'post',
				url : '/login',
				data : $("#login-form").serialize(),
				success : function(data) {
					localStorage.setItem("token", data.token);
					location.href = '/index.html';
				},
				error : function(xhr, textStatus, errorThrown) {
					var msg = xhr.responseText;
					var response = JSON.parse(msg);
					$("#info").html(response.message);
					$(obj).attr("disabled", false);
				}
			});

		}
	}
</script>
